Home / 89,176,287.60-133,604,999.10-76,421,703.60

Finding the Fourth Proportional to 89,176,287.60, 133,604,999.10 and 76,421,703.60

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Solution

The fourth proportional to 89,176,287.60, 133,604,999.10 and 76,421,703.60 is: 114,495,926.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,176,287.60 : 133,604,999.10 = 76,421,703.60 : x
  2. Step 2: Convert to fraction form
    89,176,287.60/133,604,999.10 = 76,421,703.60/x
  3. Step 3: Cross multiply
    89,176,287.60x = 133,604,999.10 × 76,421,703.60
  4. Step 4: Simplify right side
    89,176,287.60x = 10,210,321,640,698,466
  5. Step 5: Solve for x
    x = 10,210,321,640,698,466/89,176,287.60
  6. Step 6: Final answer
    x = 114,495,926.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.